US2657137A - Developer for the positive diazotype-process containing a borate, a polyhydroxy alcohol, and a coupler component - Google Patents
Developer for the positive diazotype-process containing a borate, a polyhydroxy alcohol, and a coupler component Download PDFInfo
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- US2657137A US2657137A US38759A US3875948A US2657137A US 2657137 A US2657137 A US 2657137A US 38759 A US38759 A US 38759A US 3875948 A US3875948 A US 3875948A US 2657137 A US2657137 A US 2657137A
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- United States
- Prior art keywords
- developer
- borate
- gms
- diazotype
- positive
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- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 title description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title description 6
- 238000000034 method Methods 0.000 title description 5
- 238000006149 azo coupling reaction Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 150000001875 compounds Chemical class 0.000 claims description 20
- -1 HYDROXY GROUPS Chemical group 0.000 claims description 15
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 claims description 13
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 claims description 13
- 229960001553 phloroglucinol Drugs 0.000 claims description 13
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 230000001476 alcoholic effect Effects 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 10
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 9
- ALKYHXVLJMQRLQ-UHFFFAOYSA-N 3-Hydroxy-2-naphthoate Chemical compound C1=CC=C2C=C(O)C(C(=O)O)=CC2=C1 ALKYHXVLJMQRLQ-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 239000000306 component Substances 0.000 description 39
- 239000000123 paper Substances 0.000 description 20
- 125000004432 carbon atom Chemical group C* 0.000 description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 15
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 12
- 239000000843 powder Substances 0.000 description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 9
- 238000002845 discoloration Methods 0.000 description 9
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical class [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 239000003513 alkali Substances 0.000 description 8
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 8
- 229910019142 PO4 Inorganic materials 0.000 description 7
- 229910021538 borax Inorganic materials 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- 239000010452 phosphate Substances 0.000 description 7
- 159000000000 sodium salts Chemical class 0.000 description 7
- 235000010339 sodium tetraborate Nutrition 0.000 description 7
- IKQCSJBQLWJEPU-UHFFFAOYSA-N 2,5-dihydroxybenzenesulfonic acid Chemical class OC1=CC=C(O)C(S(O)(=O)=O)=C1 IKQCSJBQLWJEPU-UHFFFAOYSA-N 0.000 description 6
- ZTFYJIXFKGPCHV-UHFFFAOYSA-N 2-propan-2-ylnaphthalene-1-sulfonic acid Chemical compound C1=CC=CC2=C(S(O)(=O)=O)C(C(C)C)=CC=C21 ZTFYJIXFKGPCHV-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000004328 sodium tetraborate Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000001828 Gelatine Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 229920000159 gelatin Polymers 0.000 description 5
- 235000019322 gelatine Nutrition 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 4
- 229930195725 Mannitol Natural products 0.000 description 4
- 229940037003 alum Drugs 0.000 description 4
- 239000000594 mannitol Substances 0.000 description 4
- 235000010355 mannitol Nutrition 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 3
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- 229960004793 sucrose Drugs 0.000 description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 2
- FZQSLXQPHPOTHG-UHFFFAOYSA-N [K+].[K+].O1B([O-])OB2OB([O-])OB1O2 Chemical compound [K+].[K+].O1B([O-])OB2OB([O-])OB1O2 FZQSLXQPHPOTHG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 239000008121 dextrose Substances 0.000 description 2
- 150000008049 diazo compounds Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OIPPWFOQEKKFEE-UHFFFAOYSA-N orcinol Chemical compound CC1=CC(O)=CC(O)=C1 OIPPWFOQEKKFEE-UHFFFAOYSA-N 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 229940095064 tartrate Drugs 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- NAOLWIGVYRIGTP-UHFFFAOYSA-N 1,3,5-trihydroxyanthracene-9,10-dione Chemical compound C1=CC(O)=C2C(=O)C3=CC(O)=CC(O)=C3C(=O)C2=C1 NAOLWIGVYRIGTP-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000004133 Sodium thiosulphate Substances 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000012928 buffer substance Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- FGRVOLIFQGXPCT-UHFFFAOYSA-L dipotassium;dioxido-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound [K+].[K+].[O-]S([O-])(=O)=S FGRVOLIFQGXPCT-UHFFFAOYSA-L 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- FBPFZTCFMRRESA-GUCUJZIJSA-N galactitol Chemical compound OC[C@H](O)[C@@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-GUCUJZIJSA-N 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 150000002402 hexoses Chemical class 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- ZPBSAMLXSQCSOX-UHFFFAOYSA-N naphthalene-1,3,6-trisulfonic acid Chemical compound OS(=O)(=O)C1=CC(S(O)(=O)=O)=CC2=CC(S(=O)(=O)O)=CC=C21 ZPBSAMLXSQCSOX-UHFFFAOYSA-N 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- DHCDFWKWKRSZHF-UHFFFAOYSA-L thiosulfate(2-) Chemical compound [O-]S([S-])(=O)=O DHCDFWKWKRSZHF-UHFFFAOYSA-L 0.000 description 1
- 150000004764 thiosulfuric acid derivatives Chemical class 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/29—Development processes or agents therefor
- G03C5/31—Regeneration; Replenishers
Definitions
- Patented Get. .27, 1953 UNITED STATES PATENT OFFICE Franciscus Anthonius Hubertus Kessels, Venlo, Netherlands, assignor to Chemische Fabriek L. van der Grinten, a company of the Netherlands No Drawing. Application July 14, 1948, Serial No. 38,759. In the Netherlands July 14, 1947 18 Claims.
- This invention relates to an improved devel oper, in solid form or in the form of a solution, for the positive diazotype-process.
- the light sensitive diazocompound is located in the photoactive surface or layer of the diazo material; in the present case the azo coupling component is a constituent of the developer. Consequently, the developer, apart from its buffering function, has also the function of supplying the azo coupling component to the photoin modern developing machines-development is performed with a restricted quantity of developer (5-12 grammes per sq. metre), higher concentrations must be used.
- developers having a higher concentration of borax the difficulty is often experienced, however, that 3 they, e. g. in consequence of evaporation in the developing machine, form crystal crusts which sometimes can only with difiicult be re-dissolved and which cause troubles.
- a tartrate is not capable of solving the solubility problem of borates in diazotype processes. When used in a small amount it does not increase the solubility of borates to a sufficient degree. When used in higher concentration it has a tendency of discolouring the prints.
- Such developers for diazotype processes show distinct advantages when they contain, together with an ace coupling component, an alkali borate and a water soluble organic polyhydroxyl compound having in the molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms and which enhances the solubility of the borate in a developing medium.
- Especially suitable alkali borates are potassium borates. 7
- alkali borate and the organic polyhydroxyl compound form a borocomplex which, in the medium of the dissolved developer, is more soluble than the equivalent amount of the borate alone would be.
- Suitable polyhydroxyl compounds are e. g. mannitol, dulcitol, sorbitol, dextrose, glycerol, cane sugar, gluconic acid, saccharic acid, dextrin, and many others.
- the developers according to the invention exhibit attractive properties in practice, more particularly with regard to the difficulties caused by: crystallization, redissolving crystals, hard water used in making the solutions of the developer and the like. More particularly, in developers the louder capacity of which is obtained to a considerable extent, e. g. from 50 to by the use of an alkali borate and the aqueous solution of which consequently must be particularly concentrated with regard to the alkali borate, the polyhydroxyl compounds show good activity. Likewise in developers containing salts, particularly thiosulphates (which are advantageously used therein) in addition to an alkali borate, the activity of the polyhydroxyl compounds has been shown to be considerable.
- the polyhydroxyl compounds do not cause any serious reduction (at any rate not to an extent inconvenient in-practice) of the developing capacity of the developers in diazotype processes.
- the polyhydroxyl compounds naturally should be so selected that they give no detrimental reactions with other constituents of the developer, e. g. with the azo coupling component (this e. g. would occur in a combination: glucose-alkali boratephloroglucinol) or have no other inconvenient properties like e. g. a colour or smell; nor should they indirectly cause such inconveniences.
- the azo coupling component this e. g. would occur in a combination: glucose-alkali boratephloroglucinol
- have no other inconvenient properties like e. g. a colour or smell; nor should they indirectly cause such inconveniences.
- the developers according to the invention show amongst other advantages the advantage over carbonate developers that they do not cause serious staining in spots caused by a local excess of developer; in comparison with acetate or benzoate developers and the like they have the advantage that the developed diazotype prints show less discoloration. In general it can be said that they hardly attack the sizing of the papers used.
- the developers according to the invention are preferably marketed in the form of a mixture of solids; in this case the polyhydroxyl compound iiis preferably a solid or capable of being solidi- Since the developer contains an azo-coupling component, it may be preferable to divide the 3 mixture constituting the solid components of the developer into parts forming together the complete developer, and to keep these parts separated one from the other until they are dissolved.
- Diazotype paper A.Base paper of 110 gms. per sq. metre is coated with approximately 8 gms. per sq. metre of the following aqueous solution:
- Diazotype paper B.-Base paper of 110 gms. per sq. metre is coated with approximately 3 gms. per sq. metre of the following aqueous solution:
- Diazotype paper C.-Base paper of 110 gms. per sq. metre is coated with approximately 8 gms. per sq. metre of the following solution:
- Diaeotype paper D.--Base paper of 110 gms. per sq. metre is coated with approximately 12 gms. per sq. metre of the following solution:
- Dz'aeotype paper E.Base paper of 110 gms. per sq. metre is coated with approximately 12 gms. per sq. metre of the following solution:
- Example 3 A cardboard container is filled with the following constituents:
- Example 8 Developer in liquid form ready for usei 110 gms. potassium tetraborate 5H2O 50 on. em. lactic acid (100%) 10 gms. phloroglucinol 100 gms. mannitol 1 gm. isopropylnaphthalene-sulphonic acid 1000 gms. water
- This developer develops prints on diazotype paper F with 12 gms. per sq. metre in a violet colour. It does not cause inconvenient stains by local excess and gives less discoloration of the diazotype copy than when a corresponding developer is used which contains instead of the borate an acetate or lactate.
- This developer may be evaporated to approximately 40% of its volume without crystallization.
- a developer for positive diazotype material comprising an alkali metal borate as the principal buffering component, an azo coupling component comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, and a content of an organic polyhydroxyl compound that solubilizes the borate, said compound having in its molecule at least three alcoholic hydroxy groups attached to adjacent carbon atoms.
- a developer for positive diazotype material comprising an azo coupling component, an alkali metal borate as the principal buffering component, a thiosulfate, and a content of an organic polyhydroxyl compound that solubilizes the borate, said compound having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms.
- a developer for positive diazotype material comprising an azo coupling component, comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, a potassium borate as the principal buffering component, and a boratesolubilizing organic polyhydroxyl compound having in its molecule at least three alcoholic hydroXyl groups attached to adjacent carbon atoms.
- an azo coupling component comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, a potassium borate as the principal buffering component, and a boratesolubilizing organic polyhydroxyl compound having in its molecule at least three alcoholic hydroXyl groups attached to adjacent carbon atoms.
- a developer for positive diazotype material comprising an azo coupling component, an alkali metal borate as the principal bufiering component, a content of an organic poly-hydroxyl compound that solubilizes the borate, said compound having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms, and a substance from the group consisting of hydroquinone sulfonic acid and salts thereof.
- a developer for positive diazotype material which is entirely soluble in an aqueous developing medium at a concentration effective to develop the material when applied as a thin liquid film and which comprises an azo coupling component, comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, a potassium borate as the principal buiiering component, potassium carbonate as a minor bufiering component, and a content of an organic polyhydroxyl compound that enhances the solubility of the potassium borate, said compound having in its molecule at least three alcholic hydroxyl groups attached to adjacent carbon atoms.
- an azo coupling component comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, a potassium borate as the principal buiiering component, potassium carbonate as a minor bufiering component, and a content of an organic polyhydroxyl compound that enhances the solub
- a developer for positive diazotype material comprising an azo coupling component, an alkali metal borate as the principal bufiering component and an alcohol having six hydroxyl groups 2 at six adjacent carbon atoms to solubilize the borate.
- a developer for positive diazotype material comprising an azo coupling component, an alkali metal borate as a buffer and mannitol to solubilize the borate.
- a developer for positive diazotype material comprising an azo coupling component, an alkali metal borate as a buffer and sorbitol to solubilize the borate.
- a developer for positive diazotype material comprising an azo coupling component, comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahy'droxy-naphthoic acid, anv alkali metal borate as the principal bufiieringcomponent and a borate-sclubilizing content of a Water-soluble carbohydrate having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms.
- an azo coupling component comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahy'droxy-naphthoic acid, anv alkali metal borate as the principal bufiieringcomponent and a borate-sclubilizing content of a Water-soluble carbohydrate having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms.
- a developer for positive diazotype material comprising an azo coupling component, comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxy-naphthoic acid, an alkali metal borate as the principal buffering component and a borate-solubilizing content of a hexose.
- a developer for positive di'azotype material comprising a potassium borate as the principal buffering component, a borate-solubilizing content of a water-soluble carbohydrate having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms, and an azo coupling component comprising a substance from the group consisting of phloroglucinol and hydroxyethylamicle of betahydroxy-naphthoic acid.
- a developer for positive diazotype material comprising a potassium borate as the principal buifering component, av borate-solubilizing content of an alcohol having six hydroxyl groups at six adjacent carbon atoms, and an azo coupling component.
- a developer for positive diazotype material comprising an azo coupling component, a potassium borate as the principal buffering component, a borate-solubilizing content of an alcohol having six hydroxyl groups at six adjacent carbon atoms, and a substance from the group consisting of hydroquinone sulfonic acid and salts thereof.
- a developer for positive diazotype material comprising a potassium borate as the principal buffering component, a borate-solubilizing content of an alcohol having six hydroxyl groups at six adiacent carbon atoms, an 320 coupling component, a potassium salt of hydroquinone sulfonic acid, and potassium thiosulfate.
- a packaged Water-soluble developer in powder form for positive diazotype material composed of a plurality of portions including in one alkaline reacting buffer substance consisting principally of a potassium borate, and in another portion on azo coupling component and a boratesolubilizing content of an alcohol having six hydroxyl groups at six. adjacent carbon, atoms.
- Apackaged Water-soluble developer in powder form for positive diazotype material composed of a plurality of portions-including in one portion alkaline reacting substance consisting principally of alkali metal borate, and in another portion an azo coupling component. comprising a substance from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxynaphthoic acid together with a borate-solubiliaing content of an organic polyhydroxyl compound having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms. 7
- a developer for positive diazotype material comprising alkali metal borate including a sodium borate as the principal alkaline reacting component, an azo coupling component comprising a substance. from the group consisting of phloroglucinol and hydroxyethylamide of betahydroxynaphthoic acid, and a borate-solubilizing content of an organic polyhydroxyl compound having in its. molecule, at least three alcoholic hydroxyl groups attached to adjacent carbon atoms.
- a developer for positive diazotype material comprising alkali metal borate as the principal bufiering component, an azo coupling component comprising phloroglucinol, and a borate-solubilizing content of an organic polyhydroxy compound having in its molecule at least three alcoholic hydroxyl groups attached to adjacent carbon atoms.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL133451 | 1947-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2657137A true US2657137A (en) | 1953-10-27 |
Family
ID=19750422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US38759A Expired - Lifetime US2657137A (en) | 1947-07-14 | 1948-07-14 | Developer for the positive diazotype-process containing a borate, a polyhydroxy alcohol, and a coupler component |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2657137A (enrdf_load_stackoverflow) |
| BE (1) | BE483932A (enrdf_load_stackoverflow) |
| CH (1) | CH271388A (enrdf_load_stackoverflow) |
| GB (1) | GB643309A (enrdf_load_stackoverflow) |
| NL (1) | NL65605C (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3261684A (en) * | 1961-08-31 | 1966-07-19 | Grinten Chem L V D | Process and developer for developing exposed one-component diazotype materials |
| US3409434A (en) * | 1965-10-28 | 1968-11-05 | Gaf Corp | Resin precoated diazotype papers |
| US3420666A (en) * | 1964-10-15 | 1969-01-07 | Gaf Corp | Two-component heat developing diazotypes |
| US3752234A (en) * | 1971-08-19 | 1973-08-14 | Allied Chem | Fire fighting system |
| US6176917B1 (en) * | 1995-02-24 | 2001-01-23 | Development, Activities Chimiques Distribution | Boron-containing aqueous solution particularly for addition to amyloid glue |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867630A (en) * | 1958-06-04 | 1961-05-10 | Grinten Chem L V D | Diazotype material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1837679A (en) * | 1928-03-24 | 1931-12-22 | Kalle & Co Ag | Process for the development of diazo-types |
| US1841653A (en) * | 1927-08-22 | 1932-01-19 | Frans Van Der Grinten | Process for developing positive diazo prints |
| US1990800A (en) * | 1932-07-29 | 1935-02-12 | Eastman Kodak Co | Photographic developer |
| US2197016A (en) * | 1939-05-11 | 1940-04-16 | Harris Seybold Potter Co | Preservative for photographic developers |
-
0
- BE BE483932D patent/BE483932A/xx unknown
- NL NL65605D patent/NL65605C/xx active
-
1948
- 1948-07-09 GB GB18553/48A patent/GB643309A/en not_active Expired
- 1948-07-12 CH CH271388D patent/CH271388A/de unknown
- 1948-07-14 US US38759A patent/US2657137A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1841653A (en) * | 1927-08-22 | 1932-01-19 | Frans Van Der Grinten | Process for developing positive diazo prints |
| US1837679A (en) * | 1928-03-24 | 1931-12-22 | Kalle & Co Ag | Process for the development of diazo-types |
| US1990800A (en) * | 1932-07-29 | 1935-02-12 | Eastman Kodak Co | Photographic developer |
| US2197016A (en) * | 1939-05-11 | 1940-04-16 | Harris Seybold Potter Co | Preservative for photographic developers |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3261684A (en) * | 1961-08-31 | 1966-07-19 | Grinten Chem L V D | Process and developer for developing exposed one-component diazotype materials |
| US3420666A (en) * | 1964-10-15 | 1969-01-07 | Gaf Corp | Two-component heat developing diazotypes |
| US3409434A (en) * | 1965-10-28 | 1968-11-05 | Gaf Corp | Resin precoated diazotype papers |
| US3752234A (en) * | 1971-08-19 | 1973-08-14 | Allied Chem | Fire fighting system |
| US6176917B1 (en) * | 1995-02-24 | 2001-01-23 | Development, Activities Chimiques Distribution | Boron-containing aqueous solution particularly for addition to amyloid glue |
Also Published As
| Publication number | Publication date |
|---|---|
| CH271388A (de) | 1950-10-31 |
| NL65605C (enrdf_load_stackoverflow) | |
| GB643309A (en) | 1950-09-15 |
| BE483932A (enrdf_load_stackoverflow) |
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